Issue 1770: Deal with the friendly name properly

- Save friendly name in create_secret.
- Reference the saved friendly name in responses that have "Name" field.
- Verify the received secret_id matches the current value. Don't just
test for an empty string.
- Add test for mismatched secret_id.

tests/test_secretsmanager/test_secretsmanager.py

@@ -25,6 +25,15 @@ def test_get_secret_that_does_not_exist():
     with assert_raises(ClientError):
         result = conn.get_secret_value(SecretId='i-dont-exist')
 
+@mock_secretsmanager
+def test_get_secret_with_mismatched_id():
+    conn = boto3.client('secretsmanager', region_name='us-west-2')
+    create_secret = conn.create_secret(Name='java-util-test-password',
+                                       SecretString="foosecret")
+
+    with assert_raises(ClientError):
+        result = conn.get_secret_value(SecretId='i-dont-exist')
+
 @mock_secretsmanager
 def test_create_secret():
     conn = boto3.client('secretsmanager', region_name='us-east-1')